Honeywell Commercial T678A1445 Remote Temperature Controller

Honeywell Commercial T678A1445 Remote Temperature Controller is engineered for precise, reliable control across boilers, tanks, ducts, and pipes. This remote temperature controller features a copper bulb (1/2" diameter x 3-9/16" length) with a 5-foot capillary and a maximum temperature rating of 200°F to ensure stable sensing in demanding environments.

UL and CSA approved, it combines rugged hardware with flexible settings to support commercial HVAC and industrial installations requiring safety and dependable performance.

• Remote temperature controller with copper bulb (1/2" dia x 3-9/16" L) and 5 ft capillary; rated up to 200°F.
• Full-load contact ratings: 8A @ 120V, 5.1A @ 240V, 4.2A @ 277V; locked-rotor 48A @ 120V, 30.6A @ 240V, 25.2A @ 277V.
• Dual SPDT (2) contact configuration for versatile switching.
• Conduit connection 1/2" with two 7/8" knockouts for easy mounting.
• Applications include boiler, tank, duct, and pipe; UL and CSA approved.
• Temperature control set-point 55–175°F; differential 3.6°F fixed or 3.6–12°F adjustable (interstage).
• Compact enclosure 2" W x 2-5/8" D x 5-5/8" H; maximum connected load 2000 VA.

Designed for easy installation and long-term reliability, this controller delivers consistent performance in commercial and industrial environments.